1660511615060 has 48 divisors (see below), whose sum is σ = 3522969111312. Its totient is φ = 657372672000.

The previous prime is 1660511615051. The next prime is 1660511615111. The reversal of 1660511615060 is 605161150661.

It can be written as a sum of positive squares in 8 ways, for example, as 29767291024 + 1630744324036 = 172532^2 + 1277006^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5079350 + ... + 5396370.

It is an arithmetic number, because the mean of its divisors is an integer number (73395189819).

Almost surely, 2^{1660511615060} is an apocalyptic number.

1660511615060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1660511615060 is an abundant number, since it is smaller than the sum of its proper divisors (1862457496252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1660511615060 is a wasteful number, since it uses less digits than its factorization.

1660511615060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319724 (or 319722 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 1660511615060 in words is "one trillion, six hundred sixty billion, five hundred eleven million, six hundred fifteen thousand, sixty".